Emphasis is a strategy that aims to draw the viewer's attention to a specific design element. The aim is to create a focal point in the design: an eye-catching part that stands out, distinct from the rest of the design elements.
Emphasis is the part of the design that catches the viewer's attention. Usually the artist will make one area stand out by contrasting it with other areas. The area could be different in size, color, texture, shape, etc.
To depict someone or something means to show or represent them in a work of art such as a drawing or painting. To depict someone or something means to describe them or give an impression of them in writing.